Small Wheel Speed Safety

Small wheels rotate faster than larger wheels at the same belt speed. Excessive speed or load can overheat bearings and damage the assembly.

Use the limit for your exact wheel

Follow the wheel/bearing manufacturer’s operating limits and the attachment instructions. Do not assume the grinder’s full motor speed is suitable for a small-wheel attachment. Smaller wheels may require a lower belt speed.

If the correct limit is unclear, email the wheel diameter, holder type and your motor/drive-wheel details to support@diktatorgrinder.com before use.

Keep the units consistent

1 MPH = 88 SFM. For example, 14 MPH equals 1,232 SFM. This conversion is an example, not a universal recommended operating speed.

A VFD allows speed adjustment, but the correct setting still depends on your complete setup. See Calculating Belt Speed on Your 2x72 Grinder and the Belt Speed Calculator.

If a wheel runs unusually hot or noisy

Stop operation and isolate power before inspection. Do not touch a moving wheel or use your hand as a temperature test. Identify the cause and any damaged component before further use.